Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Open and run DxDiag.exe - Microsoft Support
In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results. In the tool, select Save All Information... for an easily shared format. Open and run DxDiag.exe.
Obtain a digital certificate and create a digital signature
If you plan to exchange digitally-signed documents together with other people, and you want the recipients of your documents to be able to verify the authenticity of your digital signature, you can obtain a digital certificate from a reputable third-party certificate authority (CA).
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
Open and run DxDiag.exe - Microsoft Support
Windows 10. This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help. In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results.
Checking your version of DirectX - Microsoft Support
DirectX is a suite of multimedia technologies required by many Windows games. If your PC doesn't have the right version of DirectX installed (the product box should tell you which one you need), your game might not work properly.
Gaming Services Repair Tool for PC | Xbox Support
Launch the Xbox app for PC. Click your Profile picture. Click on Support. Click on Gaming Services Repair Tool. Click on Start Troubleshooting.
How to install the latest version of DirectX - Microsoft Support
Windows XP and Windows Server 2003. Describes how to obtain the latest version of DirectX to enable games and multimedia applications on your system.
Request a refund for digital games | Xbox Support
Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.
Add or remove a digital signature for Microsoft 365 files
To learn about digital signatures (also known as digital ID), what they can be used for, and how to them in Word, Excel, and PowerPoint, see All about digital signatures . Create a signature line in Word or Excel. In the document or worksheet, place your pointer where you want to create a signature line.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016
Which version of DirectX is on your PC? - Microsoft Support
DirectX is a suite of multimedia technologies required by many Windows games. If your PC doesn't have the right version of DirectX installed (the product box should tell you which one you need), your game might not work properly. Follow these steps to use the DirectX Diagnostic Tool to check your DirectX version:
Screen mirroring and projecting to your PC or wireless display
If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC. Windows 11 Windows 10.